
<script>
function shows_nav(v, len)
{
 var obj;
 var method;
 for (var i = 0; i < len; i++){
  obj=document.getElementById("content"+i);
  method=document.getElementById("way"+i);
  obj.style.display = "none";
  method.style.color = "#3a5999";
 }
 obj=document.getElementById("content"+v);
 method=document.getElementById("way"+v);
 obj.style.display = "block";
 method.style.color = "#3366ff";
 return false; 
}



</script>
